/**********************************************************************************
***
***    Screencasting Teaching System C++ Library
***    Copyright (C) 2011  Jiri Novak <jiri.novak@petriny.net>
***                        Wadi Jalil Maluf <wadijm@gmail.com>
***
***    This file is part of the Screencasting Teaching System C++ Library.
***
***    This library is free software; you can redistribute it and/or modify
***    it under the terms of the GNU General Public License as published by
***   the Free Software Foundation; either version 3 of the License, or
***    (at your option) any later version.
***
***    This library is distributed in the hope that it will be useful,
***    but WITHOUT ANY WARRANTY; without even the implied warranty of
***    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
***   GNU General Public License for more details.
***
***    You should have received a copy of the GNU General Public License
***    along with this library; if not, write to the Free Software
***    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
***
*********************************************************************************/

#ifndef SAFEMAP_H_
#define SAFEMAP_H_
#include <map>
#include <list>
#include "../common/model/user.h"
#include "../common/comm/mutex.h"
#include "../common/comm/lock.h"
#include "../common/comm/blockingqueue.h"
#include "../common/comm/operation.h"
#include <libxml++/libxml++.h>
/**
 * Class to make safethread access to user queues and data.
 *
 */
class SafeMap
{
public:
  SafeMap();
  virtual
  ~SafeMap();
  std::list<BlockingQueue*> findQueues(Lesson& lesson);
  std::list<BlockingQueue*> findStudentsQueues(Lesson& lesson);
  void logoutUser(User* user);
  void registerLoggedUser(User* user,BlockingQueue *socket);
  std::list<BlockingQueue*> findSockets(Lesson& lesson);
private:
  Mutex mutex;
    std::map<int,BlockingQueue*> usersSockets;
    log4cxx::LoggerPtr logger_;
};

#endif /* SAFEMAP_H_ */
